20211520900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{293}}^1\times {\mathrm{8311}}^1$

素因数の和:8701

約数の個数: 72

約数和(自身を含む): 44544273984

約数和(自身を除く): 24332753084

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 293, 332, 415, 586, 830, 1172, 1465, 1660, 2075, 2930, 4150, 5860, 7325, 8300, 8311, 14650, 16622, 24319, 29300, 33244, 41555, 48638, 83110, 97276, 121595, 166220, 207775, 243190, 415550, 486380, 607975, 689813, 831100, 1215950, 1379626, 2431900, 2435123, 2759252, 3449065, 4870246, 6898130, 9740492, 12175615, 13796260, 17245325, 24351230, 34490650, 48702460, 60878075, 68981300, 121756150, 202115209, 243512300, 404230418, 808460836, 1010576045, 2021152090, 4042304180, 5052880225, 10105760450, 20211520900]

約数ペア:

[(1, 20211520900), (2, 10105760450), (4, 5052880225), (5, 4042304180), (10, 2021152090), (20, 1010576045), (25, 808460836), (50, 404230418), (83, 243512300), (100, 202115209), (166, 121756150), (293, 68981300), (332, 60878075), (415, 48702460), (586, 34490650), (830, 24351230), (1172, 17245325), (1465, 13796260), (1660, 12175615), (2075, 9740492), (2930, 6898130), (4150, 4870246), (5860, 3449065), (7325, 2759252), (8300, 2435123), (8311, 2431900), (14650, 1379626), (16622, 1215950), (24319, 831100), (29300, 689813), (33244, 607975), (41555, 486380), (48638, 415550), (83110, 243190), (97276, 207775), (121595, 166220)]